gcint.h

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Netscape Portable Runtime (NSPR). * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998-2000 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#ifndef gcint_h___#define gcint_h___#include "prmon.h"#include "prgc.h"extern PRLogModuleInfo *_pr_msgc_lm;
extern GCInfo _pr_gcData;
#if defined(_WIN32) && !defined(DEBUG)#undef INLINE_LOCK#endif#ifdef INLINE_LOCK#define LOCK_GC() EnterCriticalSection(&_pr_gcData.lock->mutexHandle)#define UNLOCK_GC() LeaveCriticalSection(&_pr_gcData.lock->mutexHandle)#else#define LOCK_GC() PR_EnterMonitor(_pr_gcData.lock)#define UNLOCK_GC() PR_ExitMonitor (_pr_gcData.lock)#define GC_IS_LOCKED() (PR_GetMonitorEntryCount(_pr_gcData.lock)!=0)#endif#ifdef DEBUG#define _GCTRACE(x, y) if (_pr_gcData.flags & x) GCTrace y#else#define _GCTRACE(x, y)#endifextern GCBeginGCHook *_pr_beginGCHook;
externvoid *_pr_beginGCHookArg;
extern GCBeginGCHook *_pr_endGCHook;
externvoid *_pr_endGCHookArg;
extern GCBeginFinalizeHook *_pr_beginFinalizeHook;
externvoid *_pr_beginFinalizeHookArg;
extern GCBeginFinalizeHook *_pr_endFinalizeHook;
externvoid *_pr_endFinalizeHookArg;
externint _pr_do_a_dump;
extern FILE *_pr_dump_file;
extern PRLogModuleInfo *_pr_gc_lm;
/*** Root finders. Root finders are used by the GC to find pointers into** the GC heap that are not contained in the GC heap.*/typedefstruct RootFinderStr RootFinder;
struct RootFinderStr {
RootFinder *next;
GCRootFinder *func;
char *name;
void *arg;
};
extern RootFinder *_pr_rootFinders;
typedefstruct CollectorTypeStr {
GCType gctype;
PRUint32 flags;
} CollectorType;
#define GC_MAX_TYPES 256extern CollectorType *_pr_collectorTypes;
#define _GC_TYPE_BUSY 0x1#define _GC_TYPE_FINAL 0x2#define _GC_TYPE_WEAK 0x4/* Slot in _pr_gcTypes used for free memory */#define FREE_MEMORY_TYPEIX 255externvoid _PR_InitGC(PRWord flags);
externvoid _MD_InitGC(void);
externvoid PR_CALLBACK _PR_ScanFinalQueue(void *notused);
/*** Grow the GC Heap.*/externvoid *_MD_GrowGCHeap(PRUint32 *sizep);
/*** Extend the GC Heap.*/extern PRBool _MD_ExtendGCHeap(char *base, PRInt32 oldSize, PRInt32 newSize);
/*** Free a GC segment.*/externvoid _MD_FreeGCSegment(void *base, PRInt32 len);
#endif /* gcint_h___ */